Statistics Meeting Book (12-14-16)

AOAC Statistics Committee Minutes (November 22, 2016)

 Sidney Sudberg (co-author: Robert LaBudde)  Jane Weitzel

Sidney: some improvement from last year’s Paul: Went well. generated more discussed Jane: was well received, more questions and discussions

b). Workshops on Sunday, Sept 18, 2016 (8:30 am – 12:00 pm): •

(see details under 5.) Paul took lead to the workshop on statistics software for microbiology methods validation (more info in 4.).

Paul Sharon Maria

Paul: given out 45 software USBs, at least 40 showed up, full house. Maria and Sharon - continue working on the excel file. Sidney and Qian also attended the workshop, and they commented that it went well.

5

Current projects

ALL

 Paul took lead to the workshop on Statistics for Microbiology methods validation, and he has been leading a group of volunteers testing software, etc. Paul: Robert has new ways for confidence interval (based on ISO and TR342), Paul, Maria, Sharon made the Excel calculations. No more work since the workshop, need to collect feedback. Next: Working with Maria, Sharon (those 2 will hear from users), Paul will contact them cc-Sidney, come back in Jan. Scott: AOAC Research Institute asked for this, asked by a few test kits companies, they are using this so they will give feedback. A bit later Sharon responded to Paul by e-mail: no feedback since the annual meeting, just a few folks asking when it is official so people can start using it. Paul: Was focused on Qualitative methods, later they found quantitative sometimes does not work, (We need to set: Candidate minus Reference), incl. ISO new method of calculating CI, CI for the paired DPod, Will need to send to OMB for approval, Paul and Robert will do this. Paul: need to put a package together. Anli: Paul and Robert: will you publish this? Jane offered help if publish. Paul said will call committee for help later on as needed for review. Robert: change of Appen. J, testing homogeneity among labs) Now we are use Z, so we need to use n d.f. (not n-1); if we use t then it would be n-1 d.f.  Changes in the Appendix J

Draft 2016 11 22 StatsComm Minutes

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